Home / 198,221.84-297,335.19-57,983.30

Finding the Fourth Proportional to 198,221.84, 297,335.19 and 57,983.30

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Solution

The fourth proportional to 198,221.84, 297,335.19 and 57,983.30 is: 86,975.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,221.84 : 297,335.19 = 57,983.30 : x
  2. Step 2: Convert to fraction form
    198,221.84/297,335.19 = 57,983.30/x
  3. Step 3: Cross multiply
    198,221.84x = 297,335.19 × 57,983.30
  4. Step 4: Simplify right side
    198,221.84x = 17,240,475,522.33
  5. Step 5: Solve for x
    x = 17,240,475,522.33/198,221.84
  6. Step 6: Final answer
    x = 86,975.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.